package study.itheima.stusys;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/Login")
public class Login extends HttpServlet  {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        String username = req.getParameter("username");
        String contextPath = req.getContextPath();
        if(username.equals("")){
            resp.sendRedirect(contextPath+"/webstu/login.jsp");
        }else {
            HttpSession session = req.getSession();
            session.setAttribute("username",username);
            resp.sendRedirect(contextPath+"/webstu/index.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
